Question: What is the sister or brother of Xerxes whose child is Darius I of Persia?
Paraphrase: What is the sister or brother of Xerxes whose child is Darius I of Persia?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q129165 wdt:P3373 ?answer . ?answer wdt:P22 wd:Q44387}
Answer: Abrocomes, Artazostre, Masistes, Achaemenes, Ariabignes, Gobryas, Artobazanes, Arsames, Ariamenes